EXTRA DISCOUNTS: Purchase this item by itself or with any other items from Precision Marshall's category to receive an extra discount based on the total value of category products in your Shopping Cart. Click the link for more information.This Oilcrat Ground and Polished Drill Rod is made by Precision Marshall Steel Company. The steel type is AISI O-1 oil-hardening tool steel, annealed for easier machining. It is an electric furnace-melted oil-hardening tool steel with a full-spheroidized structure. A non-shrinking general purpose tool steel, it has excellent abrasion resistance, toughness and machinability characteristics.It has uniform machining properties and consistent response to heat treatment through carefully controlled chemical analysis. Identification of each production lot is maintained, and a certified chemical analysis can be provided upon your request.The drill rod ends are saw-cut and chamfered or deburred when the diameter is 10mm or greater. This processing protects other rods from scratching, helps your set-ups and improves safety in handling. Smaller diameters are accurately cut with automatic die-cutters. At least one end is painted green for easier identification of the steel type.The Diameter |D| tolerance is ±.008mm for rod diameters less than 3mm, ±.013" for diameters 4mm-12mm, and ±.025mm for diameters of 13mm greater. The Length |L| tolerance is +2.60/-.60mm.The available diameters are 2 to 30 mm. The available length is 915mm. Please contact us if you need a different size, or if you need us to make any alterations.RELATED: PM O1 Drill Rod, Inch SizesDELIVERY TIME: Normally in stock and ships the next business day.SHIPS FROM: Precision Marshall products are sent directly to you from the warehouses in Bolingbrook, IL; Hartford, CT; Euless, TX; or Santa Fe Springs, CA.MINIMUM ORDER: None.HEAT TREATMENT: Sections smaller than 6mm, heat to 1450-1475°F and hold until heated through. For larger sections, preheat to 1200°F, then raise to 1450-1500°F to hardening temperature and hold one-half hour per 25mm of cross section. Quench in oil at 125-150°F and TEMPER IMMEDIATELY.TEMPERING DATA:
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